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Current Electri...

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  • Question 1
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    What is the driving force in a working Electrical Circuit?

  • Question 2
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    The effective resistance of a circuit containing resistances in parallel is.

  • Question 3
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    The EMF of a cell can be defined as:

  • Question 4
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    The resistance of a semiconductor material (germanium or silicon) ________ with rise in temperature.

  • Question 5
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    Specific resistance of all metals is mostly affected by

  • Question 6
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    In general, when the temperature of a conductor increases, its resistance

  • Question 7
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    A man has five resistors each of value $$\frac {1}{5}\Omega $$. What is the maximum resistance he can obtain by connecting them? 

  • Question 8
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    Given a current carrying wire of non-uniform cross-section. Which one of the following is constant through out the length of wire ?

  • Question 9
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    Calculate the current through a lamp of 25w operating at 220v.

  • Question 10
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    What is the series equivalent of $$1000 \ \Omega$$ resistor and $$2700 \  \Omega$$  resistor in series?

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